Monterey County sheriff’s deputies this morning arrested an 18-year-old suspected gang member believed to have fired a gunshot into a McDonald’s restaurant in Prunedale on Sunday.No one was injured in the shooting, which took place Sunday at about 9:10 p.m., though there were nine people inside therestaurant at the time, the sheriff’s office said.The shooting allegedly occurred after Alexander Javier Jasso, of Prunedale, and a juvenile male from Royal Oaks argued with two other men at theMcDonald’s.All four males reportedly taunted and swore at each other and flashed gang signs, the sheriff’s office said.Jasso and the boy then drove to the front of the restaurant and Jasso allegedly fired a single shot into the restaurant at the two men, before driving off, according to the sheriff’s office.A search warrant of the two suspects’ homes uncovered gang materials, marijuana and drug paraphernalia, lewd photographs, ammunition and a 32-caliber semiautomatic handgun believed to have been used in the shooting, the sheriff’s office said.Both suspects subsequently confessed to the crime, the sheriff’s office said.Jasso was booked into Monterey County Jail on nine counts of attempted murder, shooting into an occupied dwelling, conspiracy, participation in a criminal street gang, possession of lewd material and child endangerment.The juvenile suspect was lodged at juvenile hall for participation in a criminal street gang, conspiracy and shooting into an occupied dwelling.